Y-mAbs Therapeutics, Inc. YMAB
8.61 0.00 (+0.00%)
At closeSep 16, 2025, 4:00 PM EDT
8.61 Day range 8.61
6.48 52-week range 20.90
Held by funds
1 US ETFs and mutual funds hold YMAB · largest positions
| Fund | Value held | Weight in fund |
|---|---|---|
| CNCR | 3.12% |
Ownership
Held by insiders 12.21%
Held by institutions 72.19%
Float held by institutions 82.22%
Institutions 165
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Paradigm Biocapital Advisors LP | 9.12% | 4,086,346 | 33.14M | Sep 29, 2024 |
| Blackrock Inc. | 6.75% | 3,025,235 | 24.53M | Sep 29, 2024 |
| Sofinnova Investments, Inc. | 4.90% | 2,194,278 | 17.80M | Sep 29, 2024 |
| Vanguard Group Inc | 4.54% | 2,035,363 | 16.51M | Sep 29, 2024 |
| Polar Capital Holdings PLC | 4.09% | 1,831,000 | 14.85M | Sep 29, 2024 |
| Cormorant Asset Management, LP | 3.24% | 1,450,000 | 11.76M | Sep 29, 2024 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 2.32% | 1,040,061 | 8.43M | Sep 29, 2024 |
| iShares Russell 2000 ETF | 2.13% | 951,950 | 7.72M | Oct 30, 2024 |
| Vanguard Extended Market Index Fund | 1.07% | 478,047 | 3.88M | Sep 29, 2024 |
| SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF | 0.90% | 403,188 | 3.27M | Sep 29, 2024 |
| Fidelity Small Cap Index Fund | 0.84% | 377,276 | 3.06M | Aug 30, 2024 |
| iShares Russell 2000 Growth ETF | 0.73% | 327,482 | 2.66M | Oct 30, 2024 |
Insiders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| GAD THOMAS | Officer and Director | Conversion of Exercise of derivative security | Sep 18, 2024 | 309,212 |
| GILL DAVID N. | Director | Stock Award(Grant) | Jun 10, 2024 | 5,825 |
| HAMILL LAURA | Director | Stock Award(Grant) | Jun 10, 2024 | 5,825 |
| HEALY JAMES I | Director | Stock Award(Grant) | Jun 10, 2024 | 2,225,880 |
| LUND-HANSEN TORBEN | Chief Technology Officer | Conversion of Exercise of derivative security | Aug 27, 2024 | 81,262 |
| PFREUNDSCHUH PETER P | Chief Financial Officer | Stock Award(Grant) | Jul 11, 2024 | 46,000 |